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<?php $array = [ ['report_date' => 'date', 'name' => 'name'], ['report_date' => 'date', 'color' => 'color'] ]; $result = []; foreach ($array as $row) { $result[$row['report_date']] = ($result[$row['report_date']] ?? []) + $row; } var_export(array_values($result));
Output for git.master, git.master_jit
array ( 0 => array ( 'report_date' => 'date', 'name' => 'name', 'color' => 'color', ), )

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